/* =========================================================
   ICAD 2027 — Theme im unibz-Stil
   Farbwelt an unibz.it angelehnt: ruhiges Blau/Weiß,
   klare Typografie, flache statt "SaaS-Karten".
   ========================================================= */

:root {
  /* Farben */
  --color-bg: #ffffff;
  --color-surface: #f3f6fa;
  --color-ink: #16243c;
  --color-ink-soft: #4a5568;
  --color-primary: #0072ce;   /* unibz-Blau */
  --color-primary-dark: #00509e;
  --color-border: #dfe6ee;
  --color-footer-bg: #0f1e33;
  --color-footer-text: #c6d2e2;

  /* Typografie — bewusst System-Font-Stack:
     kein externer Font-Ladevorgang, damit die Seite
     ohne Google-Fonts-Anfrage (und ohne DSGVO-Diskussion)
     auf kasserver läuft. Später leicht gegen ein
     selbst gehostetes Webfont austauschbar. */
  --font-sans: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --radius: 4px;
  --container-width: 1180px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 18px;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.6;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Kopfzeile / Mega-Menü ---------- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--color-ink);
}
.site-logo:hover { text-decoration: none; }

.site-logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius);
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.site-logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.site-logo-text strong { font-size: 1.05rem; }
.site-logo-text small { color: var(--color-ink-soft); font-size: 0.78rem; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  margin: 0 8px;
  background: var(--color-ink);
}

.primary-nav .nav {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.nav-item { position: relative; }

.nav-item > a {
  display: block;
  padding: 27px 14px;
  color: var(--color-ink);
  font-size: 0.95rem;
  font-weight: 600;
  border-bottom: 3px solid transparent;
}
.nav-item > a:hover { color: var(--color-primary); text-decoration: none; }

.nav-item.is-active > a {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.nav-item-toggle { display: none; }

.submenu {
  list-style: none;
  margin: 0;
  padding: 10px 0;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 0 0 var(--radius) var(--radius);
  box-shadow: 0 8px 20px rgba(15, 30, 51, 0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .15s ease, transform .15s ease, visibility .15s;
}

.nav-item.has-children:hover .submenu,
.nav-item.has-children:focus-within .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu li a {
  display: block;
  padding: 10px 18px;
  color: var(--color-ink);
  font-size: 0.92rem;
}
.submenu li a:hover { background: var(--color-surface); color: var(--color-primary); text-decoration: none; }
.submenu li.is-active a { color: var(--color-primary); font-weight: 600; }

/* ---------- Hero (Startseite) ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background: #0f2b4d url('../images/hero-mountains.jpg') center center / cover no-repeat;
  color: #fff;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,30,51,0.78) 0%, rgba(15,43,77,0.62) 45%, rgba(15,30,51,0.85) 100%);
}

.hero-inner {
  position: relative;
  padding: 96px 24px 88px;
  max-width: 760px;
}

.hero-date {
  margin: 0 0 14px;
  font-size: 0.95rem;
  color: #bcd4ef;
}

.hero-title {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.12;
  font-weight: 700;
}

.hero-subtitle {
  margin: 0 0 32px;
  font-size: 1.25rem;
  color: #d9e6f5;
  font-weight: 400;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
}
.btn:hover { text-decoration: none; }

.btn-primary { background: #fff; color: var(--color-primary-dark); }
.btn-primary:hover { background: #eaf2fb; }

.btn-secondary { border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-secondary:hover { border-color: #fff; background: rgba(255,255,255,0.08); }

/* Buttons inside normal page content (light background) need different contrast
   than the hero's buttons above, which sit on a dark background image. */
.prose .btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.prose .btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

.prose .btn-secondary { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.prose .btn-secondary:hover { background: var(--color-primary); color: #fff; }

/* ---------- Highlight-Karten (analog "In the spotlight") ---------- */

.highlights { padding: 56px 0 8px; }

.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.highlight-card {
  display: block;
  padding: 24px 22px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: var(--radius);
  color: var(--color-ink);
  transition: border-color .15s ease, transform .15s ease;
}
.highlight-card:hover {
  text-decoration: none;
  border-color: var(--color-primary);
  transform: translateY(-2px);
}
.highlight-card h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
}
.highlight-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--color-ink-soft);
}

/* ---------- Innenseiten ---------- */

.page-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 28px 0 30px;
}
.page-header h1 { margin: 10px 0 0; font-size: clamp(1.6rem, 3vw, 2.2rem); }

.breadcrumb { font-size: 0.85rem; color: var(--color-ink-soft); }
.breadcrumb a { color: var(--color-ink-soft); }
.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { margin: 0 6px; }
.breadcrumb-current { color: var(--color-ink); }

.section { padding: 48px 0; }

.prose { max-width: 100%; }
.prose.narrow { max-width: 760px; }

.prose h2 { font-size: 1.4rem; margin-top: 2em; }
.prose h3 { font-size: 1.15rem; margin-top: 1.6em; }
.prose p, .prose ul, .prose ol { color: var(--color-ink); }
.prose a { text-decoration: underline; text-decoration-color: rgba(0,114,206,0.35); }

.prose table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.95rem;
}
.prose th, .prose td {
  text-align: left;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
}
.prose th { background: var(--color-surface); font-weight: 600; }
.prose tr:nth-child(even) td { background: #fafbfd; }

.prose img { border-radius: var(--radius); margin: 1.2em 0; }

/* ---------- Organised-by-Karte (Startseite) ---------- */

.org-bar { padding: 8px 0 0; }

.org-bar-inner {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.org-bar-card {
  background: var(--color-footer-bg);
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 8px 40px 6px;
  text-align: center;
}

.org-bar-text { margin: 0 0 4px; }

.org-bar-label,
.org-bar-heading {
  margin: 0;
  color: var(--color-footer-text);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.6;
}

.org-bar-logos {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.org-bar-logo { display: block; width: auto; }
.org-bar-logo-unibz { height: 78px; }
.org-bar-logo-iaad { height: 50px; }
.org-bar-logo-aes { height: 50px; }

.org-bar-placeholder {
  height: 78px;
  min-width: 92px;
  padding: 0 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(255,255,255,0.35);
  border-radius: var(--radius);
  color: rgba(255,255,255,0.6);
}

.org-bar-placeholder-name { font-size: 0.8rem; font-weight: 700; letter-spacing: 0.04em; }
.org-bar-placeholder-note { font-size: 0.62rem; opacity: 0.8; margin-top: 3px; }

/* Kein weisser Spalt zwischen Organised-by-Karte und Footer, da beide dieselbe dunkle Flaeche bilden.
   Hinweis: .org-bar liegt in <main>, ist also kein direktes Geschwister von .site-footer -> ueber body.is-home ansteuern. */
body.is-home .site-footer { margin-top: 0; }

/* ---------- Footer ---------- */

.site-footer { background: var(--color-footer-bg); color: var(--color-footer-text); margin-top: 24px; }

.site-footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 40px;
  padding: 52px 0 36px;
}

.footer-block h3 {
  color: #fff;
  font-size: 0.95rem;
  margin: 0 0 14px;
}
.footer-block p { margin: 0 0 10px; font-size: 0.9rem; }
.footer-block a { color: var(--color-footer-text); }
.footer-block a:hover { color: #fff; }
.footer-note { font-size: 0.78rem; opacity: 0.7; }

.newsletter-form-row {
  display: flex;
  gap: 10px;
  margin-top: 4px;
  flex-wrap: wrap;
}

.newsletter-form-row input[type="email"] {
  flex: 1 1 160px;
  min-width: 0;
  padding: 11px 14px;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.06);
  color: #fff;
  font-size: 0.9rem;
}

.newsletter-form-row input[type="email"]::placeholder { color: rgba(255,255,255,0.45); }
.newsletter-form-row input[type="email"]:focus { outline: none; border-color: rgba(255,255,255,0.6); }

.newsletter-form-row .btn {
  padding: 11px 20px;
  font-size: 0.9rem;
  flex: 0 0 auto;
}

.newsletter-btn {
  display: inline-block;
  margin-top: 4px;
}

.linkedin-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.linkedin-btn-icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.footer-org-logos {
  display: flex;
  align-items: center;
  gap: 38px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.footer-org-logo { display: block; width: auto; }
.footer-org-logo-unibz { height: 58px; }
.footer-org-logo-iaad { height: 38px; }
.footer-org-logo-aes { height: 38px; }

.footer-org-placeholder {
  height: 58px;
  min-width: 69px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(255,255,255,0.35);
  border-radius: var(--radius);
  color: rgba(255,255,255,0.6);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 8px; }

.site-footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 16px 0;
  font-size: 0.8rem;
}
.site-footer-bottom p { margin: 0; opacity: 0.75; }

.site-footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
}

.site-footer-bottom-links a { color: var(--color-footer-text); }
.site-footer-bottom-links a:hover { color: #fff; }

/* ---------- Responsive ---------- */

@media (max-width: 880px) {
  .nav-toggle { display: flex; }

  .primary-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
  }
  .primary-nav.is-open { display: block; }

  .primary-nav .nav { flex-direction: column; }
  .nav-item > a { padding: 16px 20px; border-bottom: 1px solid var(--color-border); }
  .nav-item.is-active > a { border-bottom: 1px solid var(--color-primary); }

  .nav-item-toggle {
    display: block;
    position: absolute;
    right: 6px;
    top: 6px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
  }
  .nav-item-toggle::before {
    content: "+";
    font-size: 1.3rem;
    color: var(--color-ink-soft);
  }
  .nav-item.is-open .nav-item-toggle::before { content: "–"; }

  .submenu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    border: none;
    box-shadow: none;
    background: var(--color-surface);
  }
  .nav-item.is-open .submenu { display: block; }

  .highlights-grid { grid-template-columns: 1fr; }
  .site-footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-inner { padding: 64px 20px 56px; }

  .org-bar-card { padding: 8px 20px 6px; }
  .org-bar-logos { gap: 14px; }
  .org-bar-logo-unibz { height: 58px; }
  .org-bar-logo-iaad { height: 38px; }
  .org-bar-placeholder { height: 58px; min-width: 74px; padding: 0 10px; }
  .org-bar-placeholder-name { font-size: 0.7rem; }
  .org-bar-placeholder-note { font-size: 0.56rem; }
}

/* ---------- Important Dates / Milestones ---------- */

.milestone-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 16px;
}

.milestone-table th,
.milestone-table td {
  padding: 11px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.milestone-table th {
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  font-weight: 600;
}

.milestone-row.is-past { background: rgba(180, 35, 24, 0.05); }
.milestone-row.is-past td:last-child { color: #b42318; font-weight: 600; }

.milestone-row.is-current { background: rgba(26, 127, 55, 0.08); }
.milestone-row.is-current td:last-child { color: #1a7f37; font-weight: 700; }

.milestone-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 0.85rem;
  color: var(--color-ink-soft);
  margin: 0;
}

.milestone-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}

.milestone-dot.is-current { background: #1a7f37; }
.milestone-dot.is-past { background: #b42318; }